面积公式。
(1/2)*(b1 + b2)*h。底边平均值乘以高。
输入或拍摄梯形的已知部分。AskSia 可处理标准梯形、直角梯形和等腰梯形的面积、周长、中位线、高和角度关系。
梯形(美式用法)是只有一对平行边的四边形,称为底边。两条非平行边称为斜边。高是两条底边之间的垂直距离。面积 = (1/2)*(b1 + b2)*h。中位线(连接斜边中点的线段)长度为 (b1 + b2)/2。在等腰梯形中,斜边相等,底角相等,对角线相等。在直角梯形中,有两个角是 90 度。
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(1/2)*(b1 + b2)*h。底边平均值乘以高。
连接斜边中点;长度等于 (b1 + b2)/2,平行于底边。
斜边相等,底角相等,对角线相等。
两个直角,一条斜边垂直于两条底边。
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直接公式 (1/2)*(b1 + b2)*h。
重排为 h = 2A/(b1 + b2)。
直接 (b1 + b2)/2。
成对的底角相等。如果给出一个角度,AskSia 会进行计算。
如果需要,当一条斜边倾斜时,使用勾股定理。
粘贴您的候选答案和原始问题。AskSia 会逐步检查过程,标记任何偏差步骤,并告知您正确的最终值。
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